HP Hewlett packard XB3000 Notebook Laptop Expansion Base Charging Dock ES235AA

Part Number: ES235AA. The key is using HP's xb3000 Notebook Expansion Base with your notebook. HP XB3000 Expansion Base Station. All that, plus you can easily grab your notebook and go. If your laptop has an Expansion Port 1, 2 or 3 on the side then it is compatible, generally speaking.